Home / 89,450.95-123,453.99-57,712.18

Finding the Fourth Proportional to 89,450.95, 123,453.99 and 57,712.18

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Solution

The fourth proportional to 89,450.95, 123,453.99 and 57,712.18 is: 79,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,450.95 : 123,453.99 = 57,712.18 : x
  2. Step 2: Convert to fraction form
    89,450.95/123,453.99 = 57,712.18/x
  3. Step 3: Cross multiply
    89,450.95x = 123,453.99 × 57,712.18
  4. Step 4: Simplify right side
    89,450.95x = 7,124,798,892.60
  5. Step 5: Solve for x
    x = 7,124,798,892.60/89,450.95
  6. Step 6: Final answer
    x = 79,650.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.